What I've learnt in Science

In Science for the past few weeks, we've been learning about waves and the different types of energy. We've also learned about the parts of the eye and the ears.

3 things that I have learned:
1) I've learned that the retina(a part of your eye) transforms an image to the electrical nerve which travels along the optic nerve sending the message to the brain.
2)The second thing I learned is that the convex lens converge meaning going inwards and the concave lens diverge meaning outwards.
3) I've also learned that there are different forms of energy. One is called 'Sound Energy' which is produced by vibrating objects. Such as ultrasound and music.